@misc{calteches117,
         address = {Pasadena, CA},
           title = {Engineering and Science, Volume 9:7, July 1946},
          editor = {Donald S. Clark},
          number = {7},
       publisher = {California Institute of Technology},
            year = {1946},
         journal = {Engineering and Science},
           month = {July},
          volume = {9},
             url = {https://resolver.caltech.edu/CaltechES:9.7.0}
}